@article{
  author = {Moradi, Mohammad, Fatehi, Mohammad, Masoumi, Hassan, Taghizadeh, Mehdi},
  title = {Sleep stages classification based on deep transfer learning method using PPG signal},
  journal = {Signal Processing and Renewable Energy},
  year = {2021},
  volume = {5},
  number = {2},
  pages = {53-60},
  doi = {}
}